There are an apple and a banana. Therefore, there are two kinds of fruit. In this case, is saying ‘there are two apple and banana’ technically fine?
It's a great way to give back to these man and women, as well as their families. - Huffington Post
In this case, ‘these’ is used, that is, ‘A and B’ is considered as a plural. Moreover, ‘A and B’ is used with ‘are’, does it mean ‘A and B’ is plural and it should be used with ‘two’ or numbers meaning more than two?